•J t2 Dr. Malcolm Cameron on 



sparingly pubescent; antennae with the firsl four joints and the 

 apex of the Llth, the mouth-parts, and legs testaceous. Length 

 1*2 mm. (in well-extended examples). 



Head large and transverse, ensconced in the thorax, the eyes large 

 and rather prominent; entirely impunctate, and without grounds 

 sculpture, practically glabrous (under a high magnification a few 

 \ er\ line short haiis are visible). Antennae u ith the firsl two joints 

 rather stout, the 2nd joint a little longer and not so thick as the 

 1st, the 3rd joint as long as the 2nd, the 4th, ."ith and (ith each a little 

 shorter, the 7th to 10th transverse, 7th to I Ith forming a club, Llth 

 oval, as long as the two preceding together. The thorax has been 

 sufficiently noticed in the generic characters give above: it is 

 broader than the elytra, the base of which it overlaps, and like the 

 head is impunctate and practically glabrous. Elytra longer than 

 the thorax and about as broad as long, a little narrowed behind and 

 truncate, and like the head and thorax almost glabrous and impunc- 

 tate. Abdomen short, conical, finely bordered, retractile, scarcely 

 perceptibly punctured, with short, fine, and sparing yellow pubes- 

 cence, and scarcely visible transverse ground-sculpture; the sides 

 and apex furnished with long black setae. 



<J. Eighth dorsal segment simple; 6th ventral segment with a 

 rather deep triangular excision of the posterior margin. 



$. Eighth dorsal segment divided into four pointed triangular 

 processes by three triangular excisions, of which the lateral ones are 

 a little deeper than the others, the middle processes each with a short 

 yellow seta, the lateral ones each with a long black seta. 



Hub. Keppel Harbour, in debris. 



Adinopsini, n. group. 



Adinopsis, n. gen. 



Antennae with the llth joint furnished with a slender, subulate, 

 accessory joint nearly as long as itself. All the tarsi 2-jointed ( '!). 



I am unable to give more details of this remarkable 

 genus owing to lack of material. The species on which 

 it is founded has the facies. puneturation, pubescence, and 

 labia] palpi of Dinopsis, but I believe that all the tarsi are 

 composed of two joints only. The characters given would 



appear t< cessitate the erection of a new group, the 



" Adinopsini." 



